What this tool does
Defang or refang URLs, domains, and IP indicators locally for safer IOC sharing, ticket notes, and security reports.
- Turn https://login.example.com into hxxps://login[.]example[.]com for a security report.
- Refang hxxp://198[.]51[.]100[.]24/payload.exe before pasting it into a local analysis workflow.
- Normalize a mixed list of defanged and normal indicators without opening any links.
URL Defang / Refang Tool
hxxps[:]//login[.]example[.]com/reset?token=abc123 hxxp[:]//198[.]51[.]100[.]24/payload[.]exe hxxps[:]//cdn[.]example[.]net/dropper
This tool only rewrites text locally. It does not open, fetch, resolve, or scan any indicator.
When this tool is a good fit
URL Defang / Refang Tool helps when you need defanged text for safe sharing or refanged text for controlled analysis from normal or defanged indicators copied from alerts, reports, or notes. It is most useful for making suspicious URLs, domains, and IP indicators safer to share in tickets, chat, and reports. The notes below focus on the settings that matter, the checks worth doing before you export, and the limits that tend to cause mistakes.
- Takes normal or defanged indicators copied from alerts, reports, or notes.
- Lets you adjust defang or refang mode, whether to process URLs, domains, IPs, or mixed text.
- Calls out what to review: scheme conversion, bracketed dots, accidental clickable links, and indicators that should remain unchanged.
- Produces defanged text for safe sharing or refanged text for controlled analysis.
- Fits common jobs such as making suspicious URLs, domains, and IP indicators safer to share in tickets, chat, and reports.
Example jobs
- Turn https://login.example.com into hxxps://login[.]example[.]com for a security report.
- Refang hxxp://198[.]51[.]100[.]24/payload.exe before pasting it into a local analysis workflow.
- Normalize a mixed list of defanged and normal indicators without opening any links.
How to use URL Defang / Refang Tool
- Prepare normal or defanged indicators copied from alerts, reports, or notes.
- Set defang or refang mode, whether to process URLs, domains, IPs, or mixed text before running the tool.
- Generate or process the result, then review scheme conversion, bracketed dots, accidental clickable links, and indicators that should remain unchanged.
- Copy, export, or download defanged text for safe sharing or refanged text for controlled analysis.
- Run a second pass if the destination system, document, or workflow has stricter requirements.
What to know before you use it
- The tool rewrites common URL schemes, domain dots, and IPv4 dots using safe IOC notation.
- Refang mode reverses common forms such as hxxp, hxxps, [.] and [:].
- No URL is opened, fetched, resolved, enriched, or sent to a server.
- Defanging is a text transformation; it does not scan, fetch, block, or reputation-check an indicator.
- Refanging should be done only when you intend to use the indicator in a controlled analysis environment.
Checks and edge cases
- Keep original evidence separate from transformed report text.
- Do not click refanged links from untrusted reports; copy them into the right analysis tool instead.
How your data is handled
All defang and refang operations run in your browser. Toolumina does not upload, save, log, fetch, or scan the indicators you paste.
FAQ
What does defanging a URL mean?
Defanging rewrites an indicator so it is less likely to become an accidental clickable link, commonly by changing http to hxxp and dots to [.] notation.
Does this check if an indicator is malicious?
No. This is a text transformation tool only. It does not perform reputation lookup, DNS resolution, URL fetching, or scanning.
Can I refang indicators from reports?
Yes. Refang mode reverses common bracketed IOC formats so you can copy the normalized value into your own controlled analysis tools.